Sentences with phrase «glycol molecules»
Finally, they equipped the nanoparticles with polyethylene glycol molecules, which allow them to resist the internal defenses of a tumor cell.
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With this in mind, scientists from the Center for Nanomedicine at Johns Hopkins, led by Hanes, encapsulated the BPTES in a nanoparticle capsule coated in polyethylene glycol, a molecule used widely in medicines and industrial products, using a method they developed to provide a more uniform coating.
Simultaneously, cryoprotectants that are made up of smaller molecules such as ethylene glycol or glycerol are able to permeate the cell so it doesn't shrink up like a raisin.
Most of the 140 types of molecules found in space have been discovered here, including some common on Earth: acetic acid (vinegar), ethylene glycol (the chief ingredient in antifreeze), and a basic sugar known as glycol aldehyde.
GNA (glycol nucleic acid) is even simpler than TNA, with just three carbon atoms in its backbone, yet can still form helical molecules, much like DNA (The Journal of Organic Chemistry, DOI: 10.1021 / jo201469b).
Instead of marrying the clotting proteins to a natural substance in the body, they are attached to synthetic polyethylene glycol (PEG) molecules (see «PEGylation protection»).
Before injecting nematodes with magnetic nanoparticles, the scientists first coated the manganese — iron nanoparticles with polyethylene glycol, a molecule that targeted the particles to the mucus layer of the amphid region (an opening near the nematode's mouth that hosts the nerve cells involved in the heat avoidance reflex).
Once the molecule is borylated, the boron substituent can be replaced by other substituents, in this case, by an aromatic molecule bearing highly soluble tetra (ethylene glycol) chains (TEG).
The scientists used polyethylene glycol as the synthetic molecule, adding a lectin group as an «anchor.»
Ethylene glycol (a 10 - atom molecule made up of carbon, hydrogen, and oxygen) is one of the five largest molecules ever discovered in space.
Signals from other molecules can sometimes fall at nearby frequencies, in effect smudging the ethylene glycol fingerprint.
«Though we most commonly think of ethylene glycol as antifreeze, it actually is associated with the formation of more complex sugar molecules that are necessary for life,» said Jan M. Hollis of NASA Goddard Space Flight Center in Greenbelt, Maryland.
Pharmaceutical companies capitalize on this property by mixing or chemically binding drug molecules to propylene glycol to increase the drug absorption rate (source).
Our cell membranes are made with thin layers of fat molecules, which can be easily disrupted by surfactants like propylene glycol.
Cells exposed to propylene glycol become more permeable to other molecules (source).